Home / 54,132.36-74,699.61-29,931.91

Finding the Fourth Proportional to 54,132.36, 74,699.61 and 29,931.91

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Solution

The fourth proportional to 54,132.36, 74,699.61 and 29,931.91 is: 41,304.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,132.36 : 74,699.61 = 29,931.91 : x
  2. Step 2: Convert to fraction form
    54,132.36/74,699.61 = 29,931.91/x
  3. Step 3: Cross multiply
    54,132.36x = 74,699.61 × 29,931.91
  4. Step 4: Simplify right side
    54,132.36x = 2,235,902,003.56
  5. Step 5: Solve for x
    x = 2,235,902,003.56/54,132.36
  6. Step 6: Final answer
    x = 41,304.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.